body,html,div,p{
    margin: 0;
    padding:0;
}
.len-article{
    color:#1f4eaf;
    padding:20px;
} 
.len-article .paragraph{
    padding: 10px 20px;
    background: #eee;
    margin: 0;
    color:#192f20;
}
.len-article img{
    width:200px;
}
.len-article  .len-code{
    padding: 10px 0;
    color: #00f;
    background: #ccc;
}